Verbo regular: underperform - underperformed - underperformed
Afirmación
Forma simple
I must underperform you must underperform she must underperform we must underperform you must underperform they must underperform
Forma con V-ing
I must be underperforming you must be underperforming she must be underperforming we must be underperforming you must be underperforming they must be underperforming
Perfecto
I must have underperformed you must have underperformed she must have underperformed we must have underperformed you must have underperformed they must have underperformed
Perfecto con V-ing
I must have been underperforming you must have been underperforming she must have been underperforming we must have been underperforming you must have been underperforming they must have been underperforming
Negación
Forma simple
I mustn't underperform you mustn't underperform she mustn't underperform we mustn't underperform you mustn't underperform they mustn't underperform
Forma con V-ing
I mustn't be underperforming you mustn't be underperforming she mustn't be underperforming we mustn't be underperforming you mustn't be underperforming they mustn't be underperforming
Perfecto
I mustn't have underperformed you mustn't have underperformed she mustn't have underperformed we mustn't have underperformed you mustn't have underperformed they mustn't have underperformed
Perfecto con V-ing
I mustn't have been underperforming you mustn't have been underperforming she mustn't have been underperforming we mustn't have been underperforming you mustn't have been underperforming they mustn't have been underperforming
Forma interrogativa
Forma simple
must I underperform? must you underperform? must she underperform? must we underperform? must you underperform? must they underperform?
Forma con V-ing
must I be underperforming? must you be underperforming? must she be underperforming? must we be underperforming? must you be underperforming? must they be underperforming?
Perfecto
must I have underperformed? must you have underperformed? must she have underperformed? must we have underperformed? must you have underperformed? must they have underperformed?
Perfecto con V-ing
must I have been underperforming? must you have been underperforming? must she have been underperforming? must we have been underperforming? must you have been underperforming? must they have been underperforming?
Forma interro-negativa
Forma simple
mustn't I underperform? mustn't you underperform? mustn't she underperform? mustn't we underperform? mustn't you underperform? mustn't they underperform?
Forma con V-ing
mustn't I be underperforming? mustn't you be underperforming? mustn't she be underperforming? mustn't we be underperforming? mustn't you be underperforming? mustn't they be underperforming?
Perfecto
mustn't I have underperformed? mustn't you have underperformed? mustn't she have underperformed? mustn't we have underperformed? mustn't you have underperformed? mustn't they have underperformed?
Perfecto con V-ing
mustn't I have been underperforming? mustn't you have been underperforming? mustn't she have been underperforming? mustn't we have been underperforming? mustn't you have been underperforming? mustn't they have been underperforming?